Lotus toWidget actions with no handler used to sit in the LazyEventEmitter
backlog forever (host timed out; stale replay on remount). They now get
an immediate {} reply. Adds RequestState and DenoiseState to the enum
(fromWidget) with a test pinning the toWidget/fromWidget split.
Fixes#18
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PPmy3tPq869XDW4njjVaKA